Suppose you are given the following requirements for a simple database for the National Hockey League (NHL): • There exists many teams in the NHL • Each team has a teamID, name, a city, a coach, and one or more players • Each player belongs to only one team Each player has a playerID, name, a position (such as left wing or goalie), a skill level, and a set of zero or more injury records • An injury record has an injuryRecordID, a game, a player, and a description. • A game is played between two teams and has a gameID, a home TeamID, an away TeamID, a date (such asMay 11th, 2017), a home team score, and an away team score. Construct a schema for this database and ensure all relationships cardinalities (1:1, 1:M, M:M) match the requirements above. Then, using this schema, write your Data Definition Language queries in SQL to be able to create these tables in SQLite. Ensure all relevant constraints (Primary Keys, Foreign Keys, NOT NULL, data types) are included. Submit both the schema diagram and a .sql file containing all of your create table queries.

Suppose you are given the following requirements for a simple database for the National Hockey League (NHL): • There exists many teams in the NHL • Each team has a teamID, name, a city, a coach, and one or more players • Each player belongs to only one team Each player has a playerID, name, a position (such as left wing or goalie), a skill level, and a set of zero or more injury records • An injury record has an injuryRecordID, a game, a player, and a description. • A game is played between two teams and has a gameID, a home TeamID, an away TeamID, a date (such asMay 11th, 2017), a home team score, and an away team score. Construct a schema for this database and ensure all relationships cardinalities (1:1, 1:M, M:M) match the requirements above. Then, using this schema, write your Data Definition Language queries in SQL to be able to create these tables in SQLite. Ensure all relevant constraints (Primary Keys, Foreign Keys, NOT NULL, data types) are included. Submit both the schema diagram and a .sql file containing all of your create table queries.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.

Question

Suppose you are given the following requirements for a simple database for the National
Hockey League (NHL):
• There exists many teams in the NHL
• Each team has a teamID, name, a city, a coach, and one or more players
• Each player belongs to only one team
• Each player has a playerID, name, a position (such as left wing or goalie), a
skill level, and a set of zero or more injury records
. An injury record has an injuryRecordID, a game, a player, and a description.
• A game is played between two teams and has a gameID, a homeTeamID, an
away TeamID, a date (such asMay 11th, 2017), a home team score, and an
away team score.
Construct a schema for this database and ensure all relationships cardinalities (1:1, 1:M,
M:M) match the requirements above.
Then, using this schema, write your Data Definition Language queries in SQL to be able
to create these tables in SQLite. Ensure all relevant constraints (Primary Keys, Foreign
Keys, NOT NULL, data types) are included.
Submit both the schema diagram and a .sql file containing all of your create table
queries.

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